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Japan Diabetes Complications Study

Japan Diabetes Complications Study - JDCS

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000222
Enrollment
2000
Registered
2005-12-01
Start date
1996-01-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetes mellitus

Interventions

The patients in the control group received regular conventional care of diabetologists without any changes before or during the study period. 1) For patients in the intervention group, dietary habit

Sponsors

Japan Diabetes Complications Study(JDCS) group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with previously diagnosed type 2 diabetes with HbA1c levels of more than 6.5%. 2) the mean value of two spot urine examinations for albumin excretion rate was less than 150 mg/g creatinine for all patients.

Exclusion criteria

Exclusion criteria: Patients with serum creatinine levels greater than 1.3 mg/dl, nephrotic syndrome, history of angina pectoris and/or myocardial infarction, ischemic cerebral vascular events, arteriosclerosis obliterans, familial hypercholesterolemia or type III hyperlipidemia were excluded as subjects for macroangiopathy analysis. With regard to microangiopathy analysis, patients with a history of intra-ocular surgeries or non-diabetic nephropathy were excluded. The patients studied had no baseline diabetic retinopathy (subjects for primary retinopathy prevention analysis) or minimal background retinopathy (subjects for secondary retinopathy prevention analysis).

Design outcomes

Primary

MeasureTime frame
Parameters and indices related to glycemic control, diabetic complications, dyslipidemia, hypertension, obesity and atherosclerosis were measured several times a year.

Countries

Japan

Contacts

Public ContactHirohito Sone, MD, PhD, FACP

University of Tsukuba Institute of Clinical Medicine Department of Endocrinology, Metabolism and Diabetology

jdcstudy@md.tsukuba.ac.jp029-853-3053

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026